Which is correct order for C - O bond length in  CO,CO₂ ,CO 3^2-

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#Question id: 20046

#XL - P Chemistry

For particles having same KE., the de-broglie wavelength is

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#Question id: 20047

#XL - P Chemistry

In one joule of energy, the number of photon with wave number equal to is

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#Question id: 20048

#XL - P Chemistry

Which of the expression given below gives IE of H atoms in terms of Rydberg’s constant (RH)?

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#Question id: 20049

#XL - P Chemistry

One unpaired electron causes magnetic moment of 1.1 B.M. The magnetic moment of Fe⁺² ion is

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#Question id: 20050

#XL - P Chemistry

If numerical value of mass and velocity are equal then de-Broglie wave length in terms of K.E.

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#Question id: 20053

#XL - P Chemistry

Atoms complete octet in valence shell electron during the bond formation. This postulate was proposed by which scientist ?